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By default, module libraries have a suffix based on cpython version + host architecture: this is fine for a native compile when these libraries are used on the same computer (or similar computers). But when target architecture is not the same python is unable to find libraries due to the wrong suffix and produces unclear errors messages: # python3 Python 3.11.3 (main, Jun 19 2023, 14:15:44) [GCC 11.4.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> from gnuradio import blocks Traceback (most recent call last): File "/home/xxx/buildroot/output/build/gnuradio-3.10.4.0/gr-blocks/python/blocks/__init__.py", line 18, in <module> ModuleNotFoundError: No module named 'gnuradio.blocks.blocks_python' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/xxx/buildroot/output/build/gnuradio-3.10.4.0/gr-blocks/python/blocks/__init__.py", line 22, in <module> ModuleNotFoundError: No module named 'gnuradio.blocks.blocks_python' >>> By adding _PYTHON_SYSCONFIGDATA_NAME="$(PKG_PYTHON_SYSCONFIGDATA_NAME)" at configure time, sysconfig will return correct informations (target architecture) instead of host architecture. Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches